Luminaire



FIG. 1 is a side elevational view of a luminaire illustrating our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a luminaire, as shown and described. 